package com.epai.re.ceshigit;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        if(true){
            Log.e("aa","这是第一册的代码");
        }
        Log.e("aa","这是第一册的代码");
    }
}
